Quick answers
- Does Benjo Ysmael C. Tan accept Medicare assignment?
- Yes. Medicare's clinician data says Benjo Ysmael C. Tan accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of October 2, 2026. Ask the office to confirm before your visit.
- How many Medicare patients does Benjo Ysmael C. Tan see?
- In 2024, CMS data shows 551 Original Medicare patients and 3,042 services for Benjo Ysmael C. Tan. This counts Original Medicare only and measures volume, not quality.
- What is Benjo Ysmael C. Tan's NPI number?
- 1841966249. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Medicare activity in 2024
Official CMS public-use data for Benjo Ysmael C. Tan, data year 2024 (released May 21, 2026). It covers Original Medicare (fee-for-service) patients only, not Medicare Advantage or other insurance. It shows volume, not quality or outcomes. CMS hides any count of 10 or fewer patients.
| Original Medicare patients | 551 |
|---|---|
| Services billed to Medicare | 3,042 |
| Different services or procedures | 14 |
| Participating Medicare provider | Yes |
| Average age of these patients | 76 |
Most frequent services
- Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes (99232)1,987 services
- Residence visit for established patient with low level of medical decision making, per day, if using time, at least 30 minutes (99348)382 services
- Subsequent nursing facility care with moderate level of medical decision making, per day, if using time, at least 30 minutes (99309)196 services
- Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes (99223)161 services
- Initial nursing facility care with high level of medical decision making, per day, if using time, 50 minutes or more (99306)123 services
Chronic conditions among these patients
Share of this clinician’s Original Medicare patients with each condition, as published by CMS (it describes the patients, not the care given).
- High blood pressure75%
- High cholesterol75%
- Anxiety73%
- Depression70%
- Alzheimer's disease or dementia66%
- Arthritis50%
Hospitals where Benjo Ysmael C. Tan works
Medicare's Facility Affiliation Data lists Benjo Ysmael C. Tan at these hospitals (updated October 2, 2026). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians. Star rating and emergency services: Hospital General Information (CMS), data updated October 26, 2026.
- La Palma Intercommunity HospitalLa Palma, CA · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: not listed by Medicare · CCN 050580
- Memorialcare Orange Coast Medical CenterFountain Valley, CA · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 050678
- Memorialcare Saddleback Medical CenterLaguna Hills, CA · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 050603
Practice locations
Addresses where Benjo Ysmael C. Tan is enrolled with Medicare (CMS data updated October 2, 2026).
- 520 N Main St, Suite 120Santa Ana, CA 92701 (714) 352‑5800
- 520 N Main St, Suite 220Santa Ana, CA 92701 (714) 543‑5609
Group practices
Medicare enrollment lists Benjo Ysmael C. Tan as a member of these groups (CMS data updated October 2, 2026).
- Access Community Health Center28 clinicians in the group
- New Foundation Medical Inc2 clinicians in the group
Specialties
- Nurse Practitionerprimary
Other nurse practitioners in Santa Ana
Clinicians with the same Medicare primary specialty in Santa Ana, CA — not a recommendation.
Other clinicians in Access Community Health Center
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Graduation year | 2020 |
|---|---|
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1841966249 |
| Corrections | Report an error or suggest an update → |
Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.
Sources
- Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated October 2, 2026, retrieved October 29, 2026
- Hospital General Information — CMS, data updated October 26, 2026, retrieved November 13, 2026
- National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
- Medicare Physician & Other Practitioners - by Provider — CMS, data year 2024, released May 21, 2026; Medicare Physician & Other Practitioners - by Provider and Service
- NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
- Medicare Care Compare — official Medicare tool to look up clinicians